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Aliphatic and alicyclic building blocks

2-Bromooctadecanoic acid

Also known as 2-Bromostearic acid, Octadecanoic acid, 2-bromo-, 2-bromostearate

CAS 142-94-9Formula C18H35BrO2Molar mass 363.38 g/molEC 205-573-2
GHS signal word: Warning. Pictograms: Harmful or irritant
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2-Bromooctadecanoic acid chemical structure, C18H35BrO2, CAS 142-94-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
142-94-9
Formula
C18H35BrO2
Molar mass
363.38 g/mol
EC number
205-573-2
HS code
291590
Category
Aliphatic and alicyclic building blocks

What is 2-Bromooctadecanoic acid?

Plain description, key identifiers and synonyms

2-Bromooctadecanoic acid is a chemical substance with the molecular formula C18H35BrO2 and a molar mass of 363.38 g/mol. Its CAS registry number is 142-94-9.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-bromooctadecanoic acid
CAS number
142-94-9 CAS number cross-checked
EC number
205-573-2
Molecular formula
C18H35BrO2
MDL number
MFCD00021694
InChIKey
KRBFFJIZAKABSA-UHFFFAOYSA-N
InChI
InChI=1S/C18H35BrO2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17(19)18(20)21/h17H,2-16H2,1H3,(H,20,21)
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCC(C(=O)O)Br

Synonyms

  • 2-Bromostearic acid
  • Octadecanoic acid, 2-bromo-
  • 2-bromostearate
  • 2-bromo-octadecanoic acid
  • a-Bromostearic Acid
  • alpha-Bromostearic acid
  • Octadecanoic acid,2-bromo-
  • bromostearic acid
  • dl-alpha-bromostearic acid
  • 2-bromo-octadecanecarboxylic acid
  • 2-Bromostearic acid, tech.
  • alpha-BROMOSTEARIC ACID, PRACT

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
363.38 g/molcalc.
Exact mass
362.182 Dacalc.
LogP (octanol/water)
6.71calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
16calc.
Heavy atoms
21calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.94calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

2-Bromooctadecanoic acid suppliers

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2-Bromooctadecanoic acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 2-Bromooctadecanoic acid is traded under.

HS 2915.90Indicative HS code

Saturated acyclic monocarboxylic acids, anhydrides, halides, peroxides, peroxyacids and halogenated…

World exports in 2024
$3.42B
+5.6% vs 2023, imports $3.55B
2019 to 2024
Top exporters
  1. Indonesia15.9%
  2. Germany13.0%
  3. Malaysia12.4%
Top importers
  1. China14.4%
  2. Netherlands11.7%
  3. United States11.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 2-Bromooctadecanoic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-Bromooctadecanoic acid, based on the data on this page

What is 2-Bromooctadecanoic acid?

2-Bromooctadecanoic acid is a chemical substance with the molecular formula C18H35BrO2 and a molar mass of 363.38 g/mol. Its CAS registry number is 142-94-9.

What is the CAS number of 2-Bromooctadecanoic acid?

The CAS registry number of 2-Bromooctadecanoic acid is 142-94-9.

What is the molecular formula and weight of 2-Bromooctadecanoic acid?

The molecular formula of 2-Bromooctadecanoic acid is C18H35BrO2 and its molar mass is 363.38 g/mol.

What is 2-Bromooctadecanoic acid used for?

Known uses and roles of 2-Bromooctadecanoic acid include building blocks in research and laboratory.

Is 2-Bromooctadecanoic acid hazardous?

2-Bromooctadecanoic acid carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Bromooctadecanoic acid?

2-Bromooctadecanoic acid is usually classified under HS code 291590 (Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Bromooctadecanoic acid?

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What is the price of 2-Bromooctadecanoic acid?

Suppliers quote 2-Bromooctadecanoic acid on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 2-Bromooctadecanoic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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